Ammonium hydroxide solution
SIGALD/17093 - puriss. p.a. plus, ≥25% NH3 in H2O
Synonym: Ammonia aqueous; Ammonia water
CAS Number: 1336-21-6
Empirical Formula (Hill Notation): H5NO
Molecular Weight: 35.05
MDL Number: MFCD00066650
Linear Formula: NH4OH
Product Type: Chemical
| anion traces | chloride (Cl-): ≤0.2 mg/kg |
| phosphate (PO43-): ≤0.2 mg/kg | |
| sulfate (SO42-): ≤1 mg/kg | |
| assay | ≥25% |
| cation traces | Ag: ≤0.01 mg/kg |
| As, Sb (as As): ≤0.01 mg/kg | |
| Au: ≤0.01 mg/kg | |
| B: ≤0.01 mg/kg | |
| Ba: ≤0.01 mg/kg | |
| Be: ≤0.01 mg/kg | |
| Bi: ≤0.01 mg/kg | |
| Ca: ≤0.01 mg/kg | |
| Cd: ≤0.01 mg/kg | |
| Co: ≤0.01 mg/kg | |
| Cr: ≤0.01 mg/kg | |
| Cs: ≤0.01 mg/kg | |
| Cu: ≤0.01 mg/kg | |
| Fe: ≤0.01 mg/kg | |
| Ga: ≤0.01 mg/kg | |
| Ge: ≤0.01 mg/kg | |
| In: ≤0.01 mg/kg | |
| K: ≤0.01 mg/kg | |
| Li: ≤0.01 mg/kg | |
| Mg: ≤0.01 mg/kg | |
| Mn: ≤0.01 mg/kg | |
| Mo: ≤0.01 mg/kg | |
| Na: ≤0.01 mg/kg | |
| Ni: ≤0.01 mg/kg | |
| Pb: ≤0.01 mg/kg | |
| Pt: ≤0.01 mg/kg | |
| Sn: ≤0.01 mg/kg | |
| Sr: ≤0.01 mg/kg | |
| Ti: ≤0.01 mg/kg | |
| Tl: ≤0.01 mg/kg | |
| V: ≤0.01 mg/kg | |
| Zn: ≤0.01 mg/kg | |
| Zr: ≤0.01 mg/kg | |
| concentration | ≥25% NH3 in H2O |
| density | 0.9 g/mL at 25 °C (lit.) |
| 0.91 g/mL at 20 °C | |
| evapn. residue | ≤0.001% |
| expl. lim. | 27 % |
| form | liquid |
| grade | puriss. p.a. plus |
| InChI | 1S/H3N.H2O/h1H3;1H2 |
| InChI key | VHUUQVKOLVNVRT-UHFFFAOYSA |
| pH | 11.7 (20 °C) |
| Quality Level | 100  |
| SMILES string | [NH4+].[OH-] |
| storage temp. | 2-8°C |
| Application: | Ammonium hydroxide solution may be used in the following studies: • Preparation of magnetic nanoparticles. • To investigate the effect of substrate on the morphology of ZnS thin films by chemical bath deposition. • Preparation of amine functionalized cellulose nanocrystals (CNC-NH2). • Wet processing of the GaAs(100) surface. |
| Application: | Ammonium hydroxide solution may be used: • As a medium to prepare magnetite (Fe3O4) nanoparticles via a modified controlled chemical coprecipitation method. • As a solvent and reagent to prepare 4-aryl and 4-alkyl-2,6-dimethyl-1,4- |
| General description: | Ammonium hydroxide is a weak base mainly used as a source to prepare other ammonium compounds like urea, ammonium carbonate and ammonium sulfate etc. |
| General description: | Ammonium hydroxide solution is a solution of 30-33% NH3 in H2O. It is a colorless liquid having a strong characteristic odor. Electrolytic deposition of silver onto vitreous carbon electrodes from ammonium hydroxide solutions by the potential step technique has been reported. |
| Symbol |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H314 - H335 - H410 |
| Precautionary statements | P261 - P271 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C,N |
| Risk Statements | 34-50 |
| Safety Statements | 26-36/37/39-45-61 |
| RIDADR | UN 2672 8 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥25% |
| Density | 0.91 g/mL at 20 °C; 0.9 g/mL at 25 °C (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352106 |